Word Problems
Solve by Graphing
Solve by Substitution
Solve by Elimination
Is the Solution Correct?
100

Find the value of two numbers if their sum is 12 and their difference is 4.

What is (8,4) ?

100

By graphing, the solution to the system

y = x

y = -x

What is (0,0) ?

100

The solution to the system

x + y = 2

y = 3

What is (-1,3) ?

100

The solution to the system 

x + 5y = 12 

-x +y = 0

What is (2,2) ?

100

(4,5) is the solution to the following system? 

4x - y = 12 

x + 6y = 13

What is, NO ?

200

Find the value of two numbers if their sum is 548 and their difference is 110.

What is (329,219) ?

200

By graphing, the solution to the system

y = 3x - 4

y = -3x + 2

What is (1,-1)?

200

y = x - 4

-2x + y = 18

What is (-22,-26) ?

200

The solution to the system

-4x - 2y = -12

4x + 8y = -24

What is (6,-6)?

200

(0,-4) the solution to the system 

y = -20x + 1 

20x + y = 6

What is No?

300

You plant a 14in spruce tree that grows 4 inches per year and you plant a 8in hemlock tree that grows 6 inches per year. When will the trees be the same height? What is that height? 

What is 3 years the trees will be 26 inches tall?

300

By graphing, the solution to the system

y = (1/3)x + 2

y = -x - 2

What is (-3,1) ?

300

The solution to the system

y = 6x - 11

-2x - 3y = -7

What is (2,1) ?

300

The solution to the system

5x + y = 9

10x - 7y = -18

What is (1,4)?

300

(-2,1) is a solution to the system 

6x - 3y = -15 

2x + y = -3

What is Yes?

400

In a football game, all of the home team’s points are from 7-point touchdowns and 3-point field goals. The team scores six times and their final score is 26 points. Write and solve a system of linear equations to find the numbers of touchdowns and field goals that the home team scores.

What is 2 touchdowns and 4 field goals ? 

400

By graphing, the solution to the system

y = -(3/2)x - 4

y = (1/2)x + 4

What is (-4,2) ?

400

The solution to the system

-3x + 3y = 4

-x + y = 3

What is no solution?

400

The solution to the system

6x + 2y =16

2x - y = 2

What is (2,2)?

400

No solution describes the solution to the following system 

y = 3x + 4 

y = -x - 4

What is No?

500

Harold had a summer lemonade stand where he sold small cups of lemonade for $2.00 and large cups for $3.00. If Harold sold a total of 155 cups of lemonade and collected a total of $410, how many cups of each type did he sell?

What is 55 small cups and 100 large cups of lemonade?

500

By graphing, the solution to the system

y = (5/4)x - 2

y = (5/4)x -1

What is no solution?

500

The solution to the system

x + 3y = 1

5x + 6y = 14

What is (4,-1) ?

500

The solution to the system

2x + 8y = 6

-5x - 20y = -15

What is infinite number of solutions?

500

(-3,-1) is the solution to 

y=(4/3)x + 3 

(2/3)x + y = -3

What is (-3,-1)?

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